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PostPosted: Wed Apr 08, 2009 11:55 am 
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Joined: Wed May 21, 2008 8:37 pm
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Location: Chambersburg, PA
Year and Trim: 1997 Pontiac Bonneville SE (H4U)
Alright guys, I've been dormant for a while thanks to school. But school is almost over for the semester, and my girlfriend's father is in a pickle. The TCC switch on his 99 montana is apparently faulty. I understand that these are 4t65e transmissions, and the TCC switch is located in the valve body. Anyone have access to alldata or similar to grab the procedure for replacement? I'm betting the transmission needs to be either removed or *dang* near close to it to finish this job. From sporadic internet searching, I almost understand that there's a cover on the drivers side of the trans that needs to be removed, which probably means everything needs removed.

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1994 Bonneville SSEi - 136k mi - FWI, 180* T-stat, Fresh upper gaskets
1997 Bonneville SE - 110k mi - H4U, 3.06:1, Tinted Tails, Bridgestone Potenza G009 225/60/16s
Performance: INTENSE PCM, INTENSE 180* T-stat, Gutted air box, K&N air filter, Ported LIM, Borg Warner Wires, NGK TR-55 Plugs, Adjustable Trans Modulator.
Bells and Whistles: Flowmaster 80 crossflow muffler w/ quad tips, 2x Kicker CVR12 Subs in vented box, 1000W RMS 1-ohm American Bass Amp, Alpine MRP-F200 4-channel amp (temporary), Infinity 60.7CS 6.5" Component System (front), Blaupunkt 3-way 6x9s (rear), Pioneer DEH-P6900UB Head Unit, Hardwired Whistler Pro 58 Radar Detector, Hardwired Navigon 2100 GPS


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PostPosted: Wed Apr 08, 2009 12:37 pm 
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Joined: Mon May 19, 2008 6:04 pm
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Location: Browerville, MN
Year and Trim: 2004 GXP
Take a look through this thread: viewtopic.php?f=9&t=5832&hilit=since+everyone&start=60

You have to drop the subframe enough to get the sidecover off.

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2004 Bonneville GXP | White Gold Tricoat | custom built supercharged 3800 hot rod
2005 Town & Country Limited | Butane Blue Metallic | 200k | Family Hauler
2002 Ram 1500 Quad Cab Sport | Black| 150k | Official Bonneville Hauler


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PostPosted: Wed Apr 08, 2009 1:04 pm 
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Joined: Wed May 21, 2008 8:37 pm
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Location: Chambersburg, PA
Year and Trim: 1997 Pontiac Bonneville SE (H4U)
That helps. In the valve body picture, ordered from top to bottom, is the TCC solenoid number 1, 2, or 3 down?

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- Josh

Image
1994 Bonneville SSEi - 136k mi - FWI, 180* T-stat, Fresh upper gaskets
1997 Bonneville SE - 110k mi - H4U, 3.06:1, Tinted Tails, Bridgestone Potenza G009 225/60/16s
Performance: INTENSE PCM, INTENSE 180* T-stat, Gutted air box, K&N air filter, Ported LIM, Borg Warner Wires, NGK TR-55 Plugs, Adjustable Trans Modulator.
Bells and Whistles: Flowmaster 80 crossflow muffler w/ quad tips, 2x Kicker CVR12 Subs in vented box, 1000W RMS 1-ohm American Bass Amp, Alpine MRP-F200 4-channel amp (temporary), Infinity 60.7CS 6.5" Component System (front), Blaupunkt 3-way 6x9s (rear), Pioneer DEH-P6900UB Head Unit, Hardwired Whistler Pro 58 Radar Detector, Hardwired Navigon 2100 GPS


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PostPosted: Wed Apr 08, 2009 1:08 pm 
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Joined: Mon May 19, 2008 6:04 pm
Posts: 24284
Location: Browerville, MN
Year and Trim: 2004 GXP
Shift solenoids use the yellow connectors, pressure control solenoid uses the gray connector, and TCC solenoid uses the blue connector.

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_________________
-Andrew-
Image
2004 Bonneville GXP | White Gold Tricoat | custom built supercharged 3800 hot rod
2005 Town & Country Limited | Butane Blue Metallic | 200k | Family Hauler
2002 Ram 1500 Quad Cab Sport | Black| 150k | Official Bonneville Hauler


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PostPosted: Sun May 03, 2009 6:01 pm 
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Joined: Wed May 21, 2008 8:37 pm
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Location: Chambersburg, PA
Year and Trim: 1997 Pontiac Bonneville SE (H4U)
Update - I drove the van. No overdrive, and once in a while if you take your foot off the gas, and reapply throttle, it will clunk which indicates that perhaps the torque converter is not unlocking at some points. He gets code number P0742 (TCC Stuck On/Fail TCC Solenoid). We don't want to rip this apart until we're certain on what it is in the case that we have to order parts. Why would P0742 throw overdrive/4th out of commission? I was cruisin @ 55 MPH @ 2500 RPM and no shift. Does it see the P0742 (code was active when driving, takes 20-30 mile drive to active) and disable overdrive?

_________________
- Josh

Image
1994 Bonneville SSEi - 136k mi - FWI, 180* T-stat, Fresh upper gaskets
1997 Bonneville SE - 110k mi - H4U, 3.06:1, Tinted Tails, Bridgestone Potenza G009 225/60/16s
Performance: INTENSE PCM, INTENSE 180* T-stat, Gutted air box, K&N air filter, Ported LIM, Borg Warner Wires, NGK TR-55 Plugs, Adjustable Trans Modulator.
Bells and Whistles: Flowmaster 80 crossflow muffler w/ quad tips, 2x Kicker CVR12 Subs in vented box, 1000W RMS 1-ohm American Bass Amp, Alpine MRP-F200 4-channel amp (temporary), Infinity 60.7CS 6.5" Component System (front), Blaupunkt 3-way 6x9s (rear), Pioneer DEH-P6900UB Head Unit, Hardwired Whistler Pro 58 Radar Detector, Hardwired Navigon 2100 GPS


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